One of the distinguishing features is that they don't need valves to operate. That's to say, the Wankel rotary engine design doesn't have valves -- but quite a few rotary engine designs have ...

In contrast, a rotary valve has exceptional shutoff and can meet FCI ANSI Class V shutoff on steam for these process applications. This eliminates the need for actuated ball valves for isolation on ...

He joined Emerson in 2007 as a test and evaluation engineer supporting product development of rotary valves, and since then he has focused on flow testing all types of control valves. He holds an BSME ...